Caster



FIG. 1 is a top plan view of the caster in accordance with the present invention;

FIG. 2 is a bottom plan view of the caster shown in FIG. 1;

FIG. 3 is a side elevational view of the caster shown in FIG. 1;

FIG. 4 is a front elevational view of the caster shown in FIG. 1;

FIG. 5 is a rear elevational view of the caster shown in FIG. 1;

FIG. 6 is a perspective view of the caster shown in FIG. 1;

FIG. 7 is another perspective view of the caster shown in FIG. 1; and,

FIG. 8 is yet another perspective view of the caster shown in FIG. 1. 

The ornamental design for a caster, as shown and described. 